Finding the Fourth Proportional to 299,391.48, 413,160.21 and 204,064.74
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Solution
The fourth proportional to 299,391.48, 413,160.21 and 204,064.74 is: 281,609.32
Step by Step Solution
- Step 1: Write the proportion equation
299,391.48 : 413,160.21 = 204,064.74 : x - Step 2: Convert to fraction form
299,391.48/413,160.21 = 204,064.74/x - Step 3: Cross multiply
299,391.48x = 413,160.21 × 204,064.74 - Step 4: Simplify right side
299,391.48x = 84,311,430,832.00 - Step 5: Solve for x
x = 84,311,430,832.00/299,391.48 - Step 6: Final answer
x = 281,609.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.